本文選題：天然氣發(fā)電　切入點：燃氣-蒸汽聯(lián)合循環(huán)　出處：《西南交通大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：天然氣是優(yōu)質(zhì)清潔高效能源,我國天然氣資源豐富,開發(fā)利用前景廣闊。為滿足快速增長的能源需求,隨著燃氣輪機技術(shù)不斷完善、成熟,我國大力推廣天然氣發(fā)電。ZJ電廠就是在這樣的宏觀環(huán)境中應(yīng)運而生。ZJ電廠—期工程建設(shè)2臺來自美國GE公司技術(shù)的9FA型390MW級高效單軸燃氣—蒸汽聯(lián)合循環(huán)發(fā)電機組,所用燃料為進口液化天然氣。zJ電廠機組具有效率高、啟�？�、運行方式靈活、調(diào)峰能力強的特點。但是,在實際生產(chǎn)中機組頻繁啟停、參與調(diào)峰,與機組技術(shù)和性能初始設(shè)計差別很大,加劇了機組設(shè)備老化的速度和縮短了設(shè)備損毀更換周期,而燃氣輪機關(guān)鍵核心技術(shù)均由國外制造商掌握與壟斷,機組備件和檢修維護能力均受制于人；同時燃料供應(yīng)出現(xiàn)減供情況,這些都導(dǎo)致機組發(fā)電效率低、檢修維護成本高、經(jīng)營業(yè)績波動大等一系列問題。本文結(jié)合ZJ電廠機組運營實際,就其2010年-2014年生產(chǎn)經(jīng)營狀況,運用趨勢分析法、結(jié)構(gòu)分析法、比較分析法等方法對ZJ電廠主要生產(chǎn)經(jīng)營指標、財務(wù)狀況、經(jīng)營成果、現(xiàn)金流量、償債能力、資產(chǎn)管理能力、盈利能力進行了全面分析,其中對主要成本燃料費和維修費進行了重點分析,并針對性地指出影響zJ電廠經(jīng)濟效益和持續(xù)發(fā)展的主要問題。在介紹ZJ電廠現(xiàn)行運行方式基礎(chǔ)上,從發(fā)電熱耗、廠用電率的影響因素分析、比較不同運行方式下的經(jīng)濟性,并采取相關(guān)性分析方法進一步論證連續(xù)運行方式的經(jīng)濟性更優(yōu),進而對ZJ電廠提出保持高負荷連續(xù)運行方式和加強生產(chǎn)管理的可行建議,以便管理者做出合理決策。
[Abstract]:Natural gas is a kind of high quality clean and efficient energy. China is rich in natural gas resources and has a broad prospect of development and utilization. In order to meet the rapid growth of energy demand, with the gas turbine technology continuously improved and mature, It is in this macroscopic environment that our country vigorously popularizes the natural gas power generation .ZJ power plant. In this macroscopic environment, two units of 9FA type 390MW high-efficiency single-shaft gas-steam combined cycle generator set, which are from the technology of GE Company in the United States, have been built. The fuel used is imported liquefied natural gas .zJ power plant, which has the characteristics of high efficiency, quick start and stop, flexible operation mode and strong peak-shaving ability. However, in actual production, the units frequently start and stop and participate in peak shaving. It is very different from the initial design of unit technology and performance, which exacerbates the speed of equipment aging and shortens the replacement period of equipment damage, while the key core technologies of gas turbine are controlled and monopolized by foreign manufacturers. The spare parts and maintenance capacity of the unit are all controlled by people, and the fuel supply is reduced, which leads to the low efficiency of generating power and the high maintenance cost of the unit. According to the operation practice of ZJ power plant from 2010 to 2014, this paper applies trend analysis method, structure analysis method and comparative analysis method to the main production and management index of ZJ power plant. The financial situation, operating results, cash flow, solvency, asset management ability, profitability are comprehensively analyzed, among which the major cost, fuel and maintenance costs are mainly analyzed. The main problems affecting the economic benefit and sustainable development of ZJ power plant are pointed out. On the basis of introducing the current operation mode of ZJ power plant, the economic efficiency under different operation modes is compared by analyzing the influencing factors of heat consumption and power consumption ratio of power generation. The method of correlation analysis is adopted to further prove that the continuous operation mode is more economical, and then the feasible suggestions of maintaining the high load continuous operation mode and strengthening the production management are put forward to the ZJ power plant, so that the manager can make reasonable decision.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：F426.61;F406.72

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